871057541801320 has 128 divisors (see below), whose sum is σ = 2112941412288000. Its totient is φ = 322325060023296.

The previous prime is 871057541801303. The next prime is 871057541801387. The reversal of 871057541801320 is 23108145750178.

It is a super-2 number, since 2×871057541801320² (a number of 31 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70929795 + ... + 82299154.

It is an arithmetic number, because the mean of its divisors is an integer number (16507354783500).

Almost surely, 2^{871057541801320} is an apocalyptic number.

It is an amenable number.

871057541801320 is an abundant number, since it is smaller than the sum of its proper divisors (1241883870486680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871057541801320 is a wasteful number, since it uses less digits than its factorization.

871057541801320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153229187 (or 153229183 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 52.

The spelling of 871057541801320 in words is "eight hundred seventy-one trillion, fifty-seven billion, five hundred forty-one million, eight hundred one thousand, three hundred twenty".